The Locking Plate,nut and Bolt, cataloged under National Stock Number 5340-01-122-6823, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-122-6823 |
| Primary Part Number | 4056367 |
| Item Name | Locking Plate,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Plate Thickness | 0.015 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN |
| Distance Between Mounting Hole Centers | 1.475 INCHES NOMINAL IN |
| Center Radius | 0.078 INCHES NOMINAL IN |
| End Radius | 0.315 INCHES NOMINAL IN |
| Body Width | 0.226 INCHES NOMINAL IN |
| Style Designator | DOUBLE CONCAVE |
| Material Document and Classification | AMS 5540 ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | FLAT |
| Width | 0.546 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 600 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 4056367 | Atlas Stamping & Manufacturing Corp Dba Atlas Stamping & Manufacturing Corp (USA) |
| 4056367 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4056367 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5340-01-122-6823 is a Locking Plate,nut and Bolt, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-122-6823 has 2 manufacturer part numbers on file: 4056367 (Atlas Stamping & Manufacturing Corp Dba Atlas Stamping & Manufacturing Corp), 4056367 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4056367: Plate Thickness: 0.015 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN; Distance Between Mounting Hole Centers: 1.475 INCHES NOMINAL IN; Center Radius: 0.078 INCHES NOMINAL IN; End Radius: 0.315 INCHES NOMINAL IN. 11 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.